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    Subject[220/262] ASoC: Leave input audio data bit length settings untouched in wm8711_set_dai_fmt
    3.0-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Axel Lin <axel.lin@gmail.com>

    commit d558cfc30064a97c2c65dbd2b3a4f5a1dea7ec1b upstream.

    Current implementation in wm8711_set_dai_fmt always clear BIT[3:2]
    (the Input Audio Data Bit Length Select) of WM8711_IFACE(07h) register.
    Input Audio Data Bit Length Select bits are set by wm8711_hw_params,
    we should leave BIT[3:2] untouched in wm8711_set_dai_fmt.

    Signed-off-by: Axel Lin <axel.lin@gmail.com>
    Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    sound/soc/codecs/wm8711.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/sound/soc/codecs/wm8711.c
    +++ b/sound/soc/codecs/wm8711.c
    @@ -231,7 +231,7 @@ static int wm8711_set_dai_fmt(struct snd
    unsigned int fmt)
    {
    struct snd_soc_codec *codec = codec_dai->codec;
    - u16 iface = 0;
    + u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0x000c;

    /* set master/slave audio interface */
    switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {



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